Specifications

CHAPTER 3
I/O Specifications
52 XD Connector
XD Connector 3
A 50-pin connector on the cards provides limited unbuffered access to the ISA bus. This
enables you to create a parallel port for third-party dongles, otherwise known as
hardware keys. You do this by connecting an expansion card to the XD connector and
156 MD(60) Data bit 60 D(28) Data bit 28
158 MD(61) Data bit 61 D(29) Data bit 29
159 MD(62) Data bit 62 D(30) Data bit 30
160 MD(63) Data bit 63 D(31) Data bit 31
1, 12, 23,
31, 32, 43,
44, 54, 68,
78, 85, 96,
107, 116,
127, 138,
152, 162
GND Ground GND Ground
6, 18, 26,
40, 49, 59,
73, 84, 90,
102, 110,
133, 143,
157, 168
+5 V +5 V power supply +5 V +5 V power supply
11, 22, 24,
25, 39, 41,
42, 50, 51,
61, 62, 63,
64, 66, 77,
79, 80, 81,
82, 83, 95,
106, 108,
109, 111,
115, 123,
125, 128,
132, 134,
135, 145,
146, 147,
148, 150,
161, 163,
164, 165,
166, 167
n.c. Not connected n.c. Not connected
Table 3-8 DIMM connector pin assignments (continued)
Pin number 12” card 7” card
Signal Description Signal Description